著者

OHMOMO Sadahiro ITOH Noboru WATANABE Yasuo KANEKO Yasuyuki TOZAWA Yukiko UEDA Kiyomoto

出版者

Japan Society for Bioscience, Biotechnology, and Agrochemistry

雑誌

Agricultural and Biological Chemistry (ISSN:00021369)

巻号頁・発行日

vol.49, no.9, pp.2551-2555, 1985

被引用文献数

3 16

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Continuous decolorization of molasses waste water by mycelia of <i>Coriolus versicolor</i> Ps4a was studied using waste water from a baker's yeast factory, treated by means of methane fermentation and with activated sludge. Optimum decolorization with bare pellet-type mycelia in shaking flasks needed the addition of glucose (0.5%) and peptone (0.05%) and aerobic conditions (1ppm of dissolved oxygen). Continuous decolorization in a bubbling column reactor showed a decolorization yield of approximately 75% in only 20 hr at a dilution rate (<i>D</i>) of 0.03hr^-1 under the optimum conditions.<br> In order to continue the decolorization for a longer time, mycelia immobilized within Ca-alginate gel were tested in a bubbling column reactor under the optimum conditions. The immobilized mycelia showed an almost constant decolorization yield (65.7%) during continuous decolorization for 16 days at <i>D</i>=0.22hr^-1.